feat: auto-select recommended download service based on content source

lib/screens/album_screen.dart

@@ -241,6 +241,16 @@ class _AlbumScreenState extends ConsumerState<AlbumScreen> {
     );
   }
 
+  String? _recommendedDownloadService() {
+    if (widget.extensionId != null && widget.extensionId!.isNotEmpty) {
+      return widget.extensionId;
+    }
+    if (widget.albumId.startsWith('tidal:')) return 'tidal';
+    if (widget.albumId.startsWith('qobuz:')) return 'qobuz';
+    if (widget.albumId.startsWith('deezer:')) return 'deezer';
+    return null;
+  }
+
   @override
   Widget build(BuildContext context) {
     final colorScheme = Theme.of(context).colorScheme;
@@ -551,6 +561,7 @@ class _AlbumScreenState extends ConsumerState<AlbumScreen> {
         trackName: track.name,
         artistName: track.artistName,
         coverUrl: track.coverUrl,
+        recommendedService: _recommendedDownloadService(),
         onSelect: (quality, service) {
           ref
               .read(downloadQueueProvider.notifier)
@@ -623,6 +634,7 @@ class _AlbumScreenState extends ConsumerState<AlbumScreen> {
         context,
         trackName: '${tracksToQueue.length} tracks',
         artistName: widget.albumName,
+        recommendedService: _recommendedDownloadService(),
         onSelect: (quality, service) {
           ref
               .read(downloadQueueProvider.notifier)

lib/screens/artist_screen.dart

@@ -152,6 +152,16 @@ class _ArtistScreenState extends ConsumerState<ArtistScreen> {
     return tileSize + 64 + ((textScale - 1) * 14);
   }
 
+  String? _recommendedDownloadService() {
+    if (widget.extensionId != null && widget.extensionId!.isNotEmpty) {
+      return widget.extensionId;
+    }
+    if (widget.artistId.startsWith('tidal:')) return 'tidal';
+    if (widget.artistId.startsWith('qobuz:')) return 'qobuz';
+    if (widget.artistId.startsWith('deezer:')) return 'deezer';
+    return null;
+  }
+
   @override
   void initState() {
     super.initState();
@@ -889,6 +899,7 @@ class _ArtistScreenState extends ConsumerState<ArtistScreen> {
     if (settings.askQualityBeforeDownload) {
       DownloadServicePicker.show(
         context,
+        recommendedService: _recommendedDownloadService(),
         onSelect: (quality, service) {
           _fetchAndQueueAlbums(albums, service, quality);
         },
@@ -1689,6 +1700,7 @@ class _ArtistScreenState extends ConsumerState<ArtistScreen> {
     if (settings.askQualityBeforeDownload) {
       DownloadServicePicker.show(
         context,
+        recommendedService: _recommendedDownloadService(),
         onSelect: (quality, service) {
           if (!mounted) return;
           enqueue(service, quality: quality);

lib/screens/home_tab.dart

@@ -712,6 +712,8 @@ class _HomeTabState extends ConsumerState<HomeTab>
             playlistName: trackState.playlistName!,
             coverUrl: trackState.coverUrl,
             tracks: trackState.tracks,
+            recommendedService:
+                trackState.searchExtensionId ?? trackState.searchSource,
           ),
         ),
       );
@@ -4470,6 +4472,7 @@ class _ExtensionPlaylistScreenState
       playlistName: widget.playlistName,
       coverUrl: widget.coverUrl,
       tracks: _tracks!,
+      recommendedService: widget.extensionId,
     );
   }
 }

lib/screens/playlist_screen.dart

@@ -21,6 +21,7 @@ class PlaylistScreen extends ConsumerStatefulWidget {
   final String? coverUrl;
   final List<Track> tracks;
   final String? playlistId;
+  final String? recommendedService;
 
   const PlaylistScreen({
     super.key,
@@ -28,6 +29,7 @@ class PlaylistScreen extends ConsumerStatefulWidget {
     this.coverUrl,
     required this.tracks,
     this.playlistId,
+    this.recommendedService,
   });
 
   @override
@@ -47,6 +49,31 @@ class _PlaylistScreenState extends ConsumerState<PlaylistScreen> {
   String get _playlistName => _resolvedPlaylistName ?? widget.playlistName;
   String? get _coverUrl => _resolvedCoverUrl ?? widget.coverUrl;
 
+  String? _recommendedDownloadService() {
+    final explicit = widget.recommendedService;
+    if (explicit != null && explicit.isNotEmpty) {
+      return explicit;
+    }
+
+    final playlistId = widget.playlistId;
+    if (playlistId != null) {
+      if (playlistId.startsWith('tidal:')) return 'tidal';
+      if (playlistId.startsWith('qobuz:')) return 'qobuz';
+      if (playlistId.startsWith('deezer:')) return 'deezer';
+    }
+
+    final source = _tracks.firstOrNull?.source;
+    if (source != null && source.isNotEmpty) {
+      return source;
+    }
+
+    final trackId = _tracks.firstOrNull?.id ?? '';
+    if (trackId.startsWith('tidal:')) return 'tidal';
+    if (trackId.startsWith('qobuz:')) return 'qobuz';
+    if (trackId.startsWith('deezer:')) return 'deezer';
+    return null;
+  }
+
   @override
   void initState() {
     super.initState();
@@ -429,6 +456,7 @@ class _PlaylistScreenState extends ConsumerState<PlaylistScreen> {
         trackName: track.name,
         artistName: track.artistName,
         coverUrl: track.coverUrl,
+        recommendedService: _recommendedDownloadService(),
         onSelect: (quality, service) {
           ref
               .read(downloadQueueProvider.notifier)
@@ -663,6 +691,7 @@ class _PlaylistScreenState extends ConsumerState<PlaylistScreen> {
         context,
         trackName: '${tracksToQueue.length} tracks',
         artistName: _playlistName,
+        recommendedService: _recommendedDownloadService(),
         onSelect: (quality, service) {
           ref
               .read(downloadQueueProvider.notifier)